{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# fastMRI dataset statistics\n",
    "\n",
    "The created `csv` files contain meta information. We extract this information here to get statistics about the datasets, e.g. acquisition type (`type`), MR scanner (`systemModel`), number of Phase Encoding (PE) lines (`enc_y`), acceleration factor (`acc`)."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "      <th>filename</th>\n",
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       "      <th>institutionName</th>\n",
       "      <th>enc_x</th>\n",
       "      <th>enc_z</th>\n",
       "      <th>rec_x</th>\n",
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       "      <th>rec_z_mm</th>\n",
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       "      <th>acc</th>\n",
       "      <th>num_low_freq</th>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>type</th>\n",
       "      <th>systemVendor</th>\n",
       "      <th>systemModel</th>\n",
       "      <th>systemFieldStrength_T</th>\n",
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       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
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       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
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       "      <td>189</td>\n",
       "      <td>189</td>\n",
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       "      <td>189</td>\n",
       "      <td>189</td>\n",
       "      <td>189</td>\n",
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       "      <td>189</td>\n",
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       "      <td>52</td>\n",
       "      <td>52</td>\n",
       "      <td>52</td>\n",
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       "      <td>52</td>\n",
       "      <td>52</td>\n",
       "      <td>52</td>\n",
       "      <td>52</td>\n",
       "      <td>52</td>\n",
       "      <td>52</td>\n",
       "      <td>52</td>\n",
       "      <td>52</td>\n",
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       "      <td>1</td>\n",
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       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
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       "      <th>Prisma_fit</th>\n",
       "      <th>2.89362</th>\n",
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       "      <td>19</td>\n",
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       "      <td>19</td>\n",
       "      <td>19</td>\n",
       "      <td>19</td>\n",
       "      <td>19</td>\n",
       "      <td>19</td>\n",
       "      <td>19</td>\n",
       "      <td>19</td>\n",
       "      <td>19</td>\n",
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       "    <tr>\n",
       "      <th rowspan=\"7\" valign=\"top\">Skyra</th>\n",
       "      <th rowspan=\"7\" valign=\"top\">2.89362</th>\n",
       "      <th>320</th>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
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       "    <tr>\n",
       "      <th>338</th>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
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       "    <tr>\n",
       "      <th>356</th>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
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       "    <tr>\n",
       "      <th>368</th>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
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       "    <tr>\n",
       "      <th>386</th>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
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       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
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       "    <tr>\n",
       "      <th>400</th>\n",
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       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
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       "    <tr>\n",
       "      <th rowspan=\"15\" valign=\"top\">CORPD_FBK</th>\n",
       "      <th rowspan=\"15\" valign=\"top\">SIEMENS</th>\n",
       "      <th rowspan=\"6\" valign=\"top\">Aera</th>\n",
       "      <th rowspan=\"6\" valign=\"top\">1.49400</th>\n",
       "      <th>322</th>\n",
       "      <td>9</td>\n",
       "      <td>9</td>\n",
       "      <td>9</td>\n",
       "      <td>9</td>\n",
       "      <td>9</td>\n",
       "      <td>9</td>\n",
       "      <td>9</td>\n",
       "      <td>9</td>\n",
       "      <td>9</td>\n",
       "      <td>9</td>\n",
       "      <td>9</td>\n",
       "      <td>9</td>\n",
       "      <td>9</td>\n",
       "      <td>9</td>\n",
       "      <td>9</td>\n",
       "      <td>9</td>\n",
       "      <td>9</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>338</th>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>370</th>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>372</th>\n",
       "      <td>189</td>\n",
       "      <td>189</td>\n",
       "      <td>189</td>\n",
       "      <td>189</td>\n",
       "      <td>189</td>\n",
       "      <td>189</td>\n",
       "      <td>189</td>\n",
       "      <td>189</td>\n",
       "      <td>189</td>\n",
       "      <td>189</td>\n",
       "      <td>189</td>\n",
       "      <td>189</td>\n",
       "      <td>189</td>\n",
       "      <td>189</td>\n",
       "      <td>189</td>\n",
       "      <td>189</td>\n",
       "      <td>189</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>388</th>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "      <td>4</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>550</th>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th rowspan=\"3\" valign=\"top\">Biograph_mMR</th>\n",
       "      <th rowspan=\"3\" valign=\"top\">2.89362</th>\n",
       "      <th>356</th>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>368</th>\n",
       "      <td>48</td>\n",
       "      <td>48</td>\n",
       "      <td>48</td>\n",
       "      <td>48</td>\n",
       "      <td>48</td>\n",
       "      <td>48</td>\n",
       "      <td>48</td>\n",
       "      <td>48</td>\n",
       "      <td>48</td>\n",
       "      <td>48</td>\n",
       "      <td>48</td>\n",
       "      <td>48</td>\n",
       "      <td>48</td>\n",
       "      <td>48</td>\n",
       "      <td>48</td>\n",
       "      <td>48</td>\n",
       "      <td>48</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>640</th>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Prisma_fit</th>\n",
       "      <th>2.89362</th>\n",
       "      <th>368</th>\n",
       "      <td>22</td>\n",
       "      <td>22</td>\n",
       "      <td>22</td>\n",
       "      <td>22</td>\n",
       "      <td>22</td>\n",
       "      <td>22</td>\n",
       "      <td>22</td>\n",
       "      <td>22</td>\n",
       "      <td>22</td>\n",
       "      <td>22</td>\n",
       "      <td>22</td>\n",
       "      <td>22</td>\n",
       "      <td>22</td>\n",
       "      <td>22</td>\n",
       "      <td>22</td>\n",
       "      <td>22</td>\n",
       "      <td>22</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th rowspan=\"5\" valign=\"top\">Skyra</th>\n",
       "      <th rowspan=\"5\" valign=\"top\">2.89362</th>\n",
       "      <th>320</th>\n",
       "      <td>5</td>\n",
       "      <td>5</td>\n",
       "      <td>5</td>\n",
       "      <td>5</td>\n",
       "      <td>5</td>\n",
       "      <td>5</td>\n",
       "      <td>5</td>\n",
       "      <td>5</td>\n",
       "      <td>5</td>\n",
       "      <td>5</td>\n",
       "      <td>5</td>\n",
       "      <td>5</td>\n",
       "      <td>5</td>\n",
       "      <td>5</td>\n",
       "      <td>5</td>\n",
       "      <td>5</td>\n",
       "      <td>5</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>338</th>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>368</th>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "      <td>197</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>386</th>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>400</th>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "                                                                   filename  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T enc_y             \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               322           9   \n",
       "                                                            338           2   \n",
       "                                                            368           1   \n",
       "                                                            370           1   \n",
       "                                                            372         189   \n",
       "                                                            388           4   \n",
       "                         Biograph_mMR 2.89362               356           1   \n",
       "                                                            368          52   \n",
       "                                                            480           1   \n",
       "                         Prisma_fit   2.89362               368          19   \n",
       "                         Skyra        2.89362               320           4   \n",
       "                                                            338           2   \n",
       "                                                            356           1   \n",
       "                                                            368         197   \n",
       "                                                            386           3   \n",
       "                                                            388           1   \n",
       "                                                            400           2   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               322           9   \n",
       "                                                            338           1   \n",
       "                                                            370           1   \n",
       "                                                            372         189   \n",
       "                                                            388           4   \n",
       "                                                            550           1   \n",
       "                         Biograph_mMR 2.89362               356           1   \n",
       "                                                            368          48   \n",
       "                                                            640           1   \n",
       "                         Prisma_fit   2.89362               368          22   \n",
       "                         Skyra        2.89362               320           5   \n",
       "                                                            338           2   \n",
       "                                                            368         197   \n",
       "                                                            386           1   \n",
       "                                                            400           2   \n",
       "\n",
       "                                                                   receiverChannels  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T enc_y                     \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               322                   9   \n",
       "                                                            338                   2   \n",
       "                                                            368                   1   \n",
       "                                                            370                   1   \n",
       "                                                            372                 189   \n",
       "                                                            388                   4   \n",
       "                         Biograph_mMR 2.89362               356                   1   \n",
       "                                                            368                  52   \n",
       "                                                            480                   1   \n",
       "                         Prisma_fit   2.89362               368                  19   \n",
       "                         Skyra        2.89362               320                   4   \n",
       "                                                            338                   2   \n",
       "                                                            356                   1   \n",
       "                                                            368                 197   \n",
       "                                                            386                   3   \n",
       "                                                            388                   1   \n",
       "                                                            400                   2   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               322                   9   \n",
       "                                                            338                   1   \n",
       "                                                            370                   1   \n",
       "                                                            372                 189   \n",
       "                                                            388                   4   \n",
       "                                                            550                   1   \n",
       "                         Biograph_mMR 2.89362               356                   1   \n",
       "                                                            368                  48   \n",
       "                                                            640                   1   \n",
       "                         Prisma_fit   2.89362               368                  22   \n",
       "                         Skyra        2.89362               320                   5   \n",
       "                                                            338                   2   \n",
       "                                                            368                 197   \n",
       "                                                            386                   1   \n",
       "                                                            400                   2   \n",
       "\n",
       "                                                                   institutionName  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T enc_y                    \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               322                  9   \n",
       "                                                            338                  2   \n",
       "                                                            368                  1   \n",
       "                                                            370                  1   \n",
       "                                                            372                189   \n",
       "                                                            388                  4   \n",
       "                         Biograph_mMR 2.89362               356                  1   \n",
       "                                                            368                 52   \n",
       "                                                            480                  1   \n",
       "                         Prisma_fit   2.89362               368                 19   \n",
       "                         Skyra        2.89362               320                  4   \n",
       "                                                            338                  2   \n",
       "                                                            356                  1   \n",
       "                                                            368                197   \n",
       "                                                            386                  3   \n",
       "                                                            388                  1   \n",
       "                                                            400                  2   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               322                  9   \n",
       "                                                            338                  1   \n",
       "                                                            370                  1   \n",
       "                                                            372                189   \n",
       "                                                            388                  4   \n",
       "                                                            550                  1   \n",
       "                         Biograph_mMR 2.89362               356                  1   \n",
       "                                                            368                 48   \n",
       "                                                            640                  1   \n",
       "                         Prisma_fit   2.89362               368                 22   \n",
       "                         Skyra        2.89362               320                  5   \n",
       "                                                            338                  2   \n",
       "                                                            368                197   \n",
       "                                                            386                  1   \n",
       "                                                            400                  2   \n",
       "\n",
       "                                                                   enc_x  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T enc_y          \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               322        9   \n",
       "                                                            338        2   \n",
       "                                                            368        1   \n",
       "                                                            370        1   \n",
       "                                                            372      189   \n",
       "                                                            388        4   \n",
       "                         Biograph_mMR 2.89362               356        1   \n",
       "                                                            368       52   \n",
       "                                                            480        1   \n",
       "                         Prisma_fit   2.89362               368       19   \n",
       "                         Skyra        2.89362               320        4   \n",
       "                                                            338        2   \n",
       "                                                            356        1   \n",
       "                                                            368      197   \n",
       "                                                            386        3   \n",
       "                                                            388        1   \n",
       "                                                            400        2   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               322        9   \n",
       "                                                            338        1   \n",
       "                                                            370        1   \n",
       "                                                            372      189   \n",
       "                                                            388        4   \n",
       "                                                            550        1   \n",
       "                         Biograph_mMR 2.89362               356        1   \n",
       "                                                            368       48   \n",
       "                                                            640        1   \n",
       "                         Prisma_fit   2.89362               368       22   \n",
       "                         Skyra        2.89362               320        5   \n",
       "                                                            338        2   \n",
       "                                                            368      197   \n",
       "                                                            386        1   \n",
       "                                                            400        2   \n",
       "\n",
       "                                                                   enc_z  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T enc_y          \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               322        9   \n",
       "                                                            338        2   \n",
       "                                                            368        1   \n",
       "                                                            370        1   \n",
       "                                                            372      189   \n",
       "                                                            388        4   \n",
       "                         Biograph_mMR 2.89362               356        1   \n",
       "                                                            368       52   \n",
       "                                                            480        1   \n",
       "                         Prisma_fit   2.89362               368       19   \n",
       "                         Skyra        2.89362               320        4   \n",
       "                                                            338        2   \n",
       "                                                            356        1   \n",
       "                                                            368      197   \n",
       "                                                            386        3   \n",
       "                                                            388        1   \n",
       "                                                            400        2   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               322        9   \n",
       "                                                            338        1   \n",
       "                                                            370        1   \n",
       "                                                            372      189   \n",
       "                                                            388        4   \n",
       "                                                            550        1   \n",
       "                         Biograph_mMR 2.89362               356        1   \n",
       "                                                            368       48   \n",
       "                                                            640        1   \n",
       "                         Prisma_fit   2.89362               368       22   \n",
       "                         Skyra        2.89362               320        5   \n",
       "                                                            338        2   \n",
       "                                                            368      197   \n",
       "                                                            386        1   \n",
       "                                                            400        2   \n",
       "\n",
       "                                                                   rec_x  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T enc_y          \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               322        9   \n",
       "                                                            338        2   \n",
       "                                                            368        1   \n",
       "                                                            370        1   \n",
       "                                                            372      189   \n",
       "                                                            388        4   \n",
       "                         Biograph_mMR 2.89362               356        1   \n",
       "                                                            368       52   \n",
       "                                                            480        1   \n",
       "                         Prisma_fit   2.89362               368       19   \n",
       "                         Skyra        2.89362               320        4   \n",
       "                                                            338        2   \n",
       "                                                            356        1   \n",
       "                                                            368      197   \n",
       "                                                            386        3   \n",
       "                                                            388        1   \n",
       "                                                            400        2   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               322        9   \n",
       "                                                            338        1   \n",
       "                                                            370        1   \n",
       "                                                            372      189   \n",
       "                                                            388        4   \n",
       "                                                            550        1   \n",
       "                         Biograph_mMR 2.89362               356        1   \n",
       "                                                            368       48   \n",
       "                                                            640        1   \n",
       "                         Prisma_fit   2.89362               368       22   \n",
       "                         Skyra        2.89362               320        5   \n",
       "                                                            338        2   \n",
       "                                                            368      197   \n",
       "                                                            386        1   \n",
       "                                                            400        2   \n",
       "\n",
       "                                                                   rec_y  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T enc_y          \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               322        9   \n",
       "                                                            338        2   \n",
       "                                                            368        1   \n",
       "                                                            370        1   \n",
       "                                                            372      189   \n",
       "                                                            388        4   \n",
       "                         Biograph_mMR 2.89362               356        1   \n",
       "                                                            368       52   \n",
       "                                                            480        1   \n",
       "                         Prisma_fit   2.89362               368       19   \n",
       "                         Skyra        2.89362               320        4   \n",
       "                                                            338        2   \n",
       "                                                            356        1   \n",
       "                                                            368      197   \n",
       "                                                            386        3   \n",
       "                                                            388        1   \n",
       "                                                            400        2   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               322        9   \n",
       "                                                            338        1   \n",
       "                                                            370        1   \n",
       "                                                            372      189   \n",
       "                                                            388        4   \n",
       "                                                            550        1   \n",
       "                         Biograph_mMR 2.89362               356        1   \n",
       "                                                            368       48   \n",
       "                                                            640        1   \n",
       "                         Prisma_fit   2.89362               368       22   \n",
       "                         Skyra        2.89362               320        5   \n",
       "                                                            338        2   \n",
       "                                                            368      197   \n",
       "                                                            386        1   \n",
       "                                                            400        2   \n",
       "\n",
       "                                                                   rec_z  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T enc_y          \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               322        9   \n",
       "                                                            338        2   \n",
       "                                                            368        1   \n",
       "                                                            370        1   \n",
       "                                                            372      189   \n",
       "                                                            388        4   \n",
       "                         Biograph_mMR 2.89362               356        1   \n",
       "                                                            368       52   \n",
       "                                                            480        1   \n",
       "                         Prisma_fit   2.89362               368       19   \n",
       "                         Skyra        2.89362               320        4   \n",
       "                                                            338        2   \n",
       "                                                            356        1   \n",
       "                                                            368      197   \n",
       "                                                            386        3   \n",
       "                                                            388        1   \n",
       "                                                            400        2   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               322        9   \n",
       "                                                            338        1   \n",
       "                                                            370        1   \n",
       "                                                            372      189   \n",
       "                                                            388        4   \n",
       "                                                            550        1   \n",
       "                         Biograph_mMR 2.89362               356        1   \n",
       "                                                            368       48   \n",
       "                                                            640        1   \n",
       "                         Prisma_fit   2.89362               368       22   \n",
       "                         Skyra        2.89362               320        5   \n",
       "                                                            338        2   \n",
       "                                                            368      197   \n",
       "                                                            386        1   \n",
       "                                                            400        2   \n",
       "\n",
       "                                                                   enc_x_mm  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T enc_y             \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               322           9   \n",
       "                                                            338           2   \n",
       "                                                            368           1   \n",
       "                                                            370           1   \n",
       "                                                            372         189   \n",
       "                                                            388           4   \n",
       "                         Biograph_mMR 2.89362               356           1   \n",
       "                                                            368          52   \n",
       "                                                            480           1   \n",
       "                         Prisma_fit   2.89362               368          19   \n",
       "                         Skyra        2.89362               320           4   \n",
       "                                                            338           2   \n",
       "                                                            356           1   \n",
       "                                                            368         197   \n",
       "                                                            386           3   \n",
       "                                                            388           1   \n",
       "                                                            400           2   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               322           9   \n",
       "                                                            338           1   \n",
       "                                                            370           1   \n",
       "                                                            372         189   \n",
       "                                                            388           4   \n",
       "                                                            550           1   \n",
       "                         Biograph_mMR 2.89362               356           1   \n",
       "                                                            368          48   \n",
       "                                                            640           1   \n",
       "                         Prisma_fit   2.89362               368          22   \n",
       "                         Skyra        2.89362               320           5   \n",
       "                                                            338           2   \n",
       "                                                            368         197   \n",
       "                                                            386           1   \n",
       "                                                            400           2   \n",
       "\n",
       "                                                                   enc_y_mm  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T enc_y             \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               322           9   \n",
       "                                                            338           2   \n",
       "                                                            368           1   \n",
       "                                                            370           1   \n",
       "                                                            372         189   \n",
       "                                                            388           4   \n",
       "                         Biograph_mMR 2.89362               356           1   \n",
       "                                                            368          52   \n",
       "                                                            480           1   \n",
       "                         Prisma_fit   2.89362               368          19   \n",
       "                         Skyra        2.89362               320           4   \n",
       "                                                            338           2   \n",
       "                                                            356           1   \n",
       "                                                            368         197   \n",
       "                                                            386           3   \n",
       "                                                            388           1   \n",
       "                                                            400           2   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               322           9   \n",
       "                                                            338           1   \n",
       "                                                            370           1   \n",
       "                                                            372         189   \n",
       "                                                            388           4   \n",
       "                                                            550           1   \n",
       "                         Biograph_mMR 2.89362               356           1   \n",
       "                                                            368          48   \n",
       "                                                            640           1   \n",
       "                         Prisma_fit   2.89362               368          22   \n",
       "                         Skyra        2.89362               320           5   \n",
       "                                                            338           2   \n",
       "                                                            368         197   \n",
       "                                                            386           1   \n",
       "                                                            400           2   \n",
       "\n",
       "                                                                   enc_z_mm  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T enc_y             \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               322           9   \n",
       "                                                            338           2   \n",
       "                                                            368           1   \n",
       "                                                            370           1   \n",
       "                                                            372         189   \n",
       "                                                            388           4   \n",
       "                         Biograph_mMR 2.89362               356           1   \n",
       "                                                            368          52   \n",
       "                                                            480           1   \n",
       "                         Prisma_fit   2.89362               368          19   \n",
       "                         Skyra        2.89362               320           4   \n",
       "                                                            338           2   \n",
       "                                                            356           1   \n",
       "                                                            368         197   \n",
       "                                                            386           3   \n",
       "                                                            388           1   \n",
       "                                                            400           2   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               322           9   \n",
       "                                                            338           1   \n",
       "                                                            370           1   \n",
       "                                                            372         189   \n",
       "                                                            388           4   \n",
       "                                                            550           1   \n",
       "                         Biograph_mMR 2.89362               356           1   \n",
       "                                                            368          48   \n",
       "                                                            640           1   \n",
       "                         Prisma_fit   2.89362               368          22   \n",
       "                         Skyra        2.89362               320           5   \n",
       "                                                            338           2   \n",
       "                                                            368         197   \n",
       "                                                            386           1   \n",
       "                                                            400           2   \n",
       "\n",
       "                                                                   rec_x_mm  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T enc_y             \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               322           9   \n",
       "                                                            338           2   \n",
       "                                                            368           1   \n",
       "                                                            370           1   \n",
       "                                                            372         189   \n",
       "                                                            388           4   \n",
       "                         Biograph_mMR 2.89362               356           1   \n",
       "                                                            368          52   \n",
       "                                                            480           1   \n",
       "                         Prisma_fit   2.89362               368          19   \n",
       "                         Skyra        2.89362               320           4   \n",
       "                                                            338           2   \n",
       "                                                            356           1   \n",
       "                                                            368         197   \n",
       "                                                            386           3   \n",
       "                                                            388           1   \n",
       "                                                            400           2   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               322           9   \n",
       "                                                            338           1   \n",
       "                                                            370           1   \n",
       "                                                            372         189   \n",
       "                                                            388           4   \n",
       "                                                            550           1   \n",
       "                         Biograph_mMR 2.89362               356           1   \n",
       "                                                            368          48   \n",
       "                                                            640           1   \n",
       "                         Prisma_fit   2.89362               368          22   \n",
       "                         Skyra        2.89362               320           5   \n",
       "                                                            338           2   \n",
       "                                                            368         197   \n",
       "                                                            386           1   \n",
       "                                                            400           2   \n",
       "\n",
       "                                                                   rec_y_mm  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T enc_y             \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               322           9   \n",
       "                                                            338           2   \n",
       "                                                            368           1   \n",
       "                                                            370           1   \n",
       "                                                            372         189   \n",
       "                                                            388           4   \n",
       "                         Biograph_mMR 2.89362               356           1   \n",
       "                                                            368          52   \n",
       "                                                            480           1   \n",
       "                         Prisma_fit   2.89362               368          19   \n",
       "                         Skyra        2.89362               320           4   \n",
       "                                                            338           2   \n",
       "                                                            356           1   \n",
       "                                                            368         197   \n",
       "                                                            386           3   \n",
       "                                                            388           1   \n",
       "                                                            400           2   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               322           9   \n",
       "                                                            338           1   \n",
       "                                                            370           1   \n",
       "                                                            372         189   \n",
       "                                                            388           4   \n",
       "                                                            550           1   \n",
       "                         Biograph_mMR 2.89362               356           1   \n",
       "                                                            368          48   \n",
       "                                                            640           1   \n",
       "                         Prisma_fit   2.89362               368          22   \n",
       "                         Skyra        2.89362               320           5   \n",
       "                                                            338           2   \n",
       "                                                            368         197   \n",
       "                                                            386           1   \n",
       "                                                            400           2   \n",
       "\n",
       "                                                                   rec_z_mm  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T enc_y             \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               322           9   \n",
       "                                                            338           2   \n",
       "                                                            368           1   \n",
       "                                                            370           1   \n",
       "                                                            372         189   \n",
       "                                                            388           4   \n",
       "                         Biograph_mMR 2.89362               356           1   \n",
       "                                                            368          52   \n",
       "                                                            480           1   \n",
       "                         Prisma_fit   2.89362               368          19   \n",
       "                         Skyra        2.89362               320           4   \n",
       "                                                            338           2   \n",
       "                                                            356           1   \n",
       "                                                            368         197   \n",
       "                                                            386           3   \n",
       "                                                            388           1   \n",
       "                                                            400           2   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               322           9   \n",
       "                                                            338           1   \n",
       "                                                            370           1   \n",
       "                                                            372         189   \n",
       "                                                            388           4   \n",
       "                                                            550           1   \n",
       "                         Biograph_mMR 2.89362               356           1   \n",
       "                                                            368          48   \n",
       "                                                            640           1   \n",
       "                         Prisma_fit   2.89362               368          22   \n",
       "                         Skyra        2.89362               320           5   \n",
       "                                                            338           2   \n",
       "                                                            368         197   \n",
       "                                                            386           1   \n",
       "                                                            400           2   \n",
       "\n",
       "                                                                   nPE  acc  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T enc_y             \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               322      9    9   \n",
       "                                                            338      2    2   \n",
       "                                                            368      1    1   \n",
       "                                                            370      1    1   \n",
       "                                                            372    189  189   \n",
       "                                                            388      4    4   \n",
       "                         Biograph_mMR 2.89362               356      1    1   \n",
       "                                                            368     52   52   \n",
       "                                                            480      1    1   \n",
       "                         Prisma_fit   2.89362               368     19   19   \n",
       "                         Skyra        2.89362               320      4    4   \n",
       "                                                            338      2    2   \n",
       "                                                            356      1    1   \n",
       "                                                            368    197  197   \n",
       "                                                            386      3    3   \n",
       "                                                            388      1    1   \n",
       "                                                            400      2    2   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               322      9    9   \n",
       "                                                            338      1    1   \n",
       "                                                            370      1    1   \n",
       "                                                            372    189  189   \n",
       "                                                            388      4    4   \n",
       "                                                            550      1    1   \n",
       "                         Biograph_mMR 2.89362               356      1    1   \n",
       "                                                            368     48   48   \n",
       "                                                            640      1    1   \n",
       "                         Prisma_fit   2.89362               368     22   22   \n",
       "                         Skyra        2.89362               320      5    5   \n",
       "                                                            338      2    2   \n",
       "                                                            368    197  197   \n",
       "                                                            386      1    1   \n",
       "                                                            400      2    2   \n",
       "\n",
       "                                                                   num_low_freq  \n",
       "type        systemVendor systemModel  systemFieldStrength_T enc_y                \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               322               9  \n",
       "                                                            338               2  \n",
       "                                                            368               1  \n",
       "                                                            370               1  \n",
       "                                                            372             189  \n",
       "                                                            388               4  \n",
       "                         Biograph_mMR 2.89362               356               1  \n",
       "                                                            368              52  \n",
       "                                                            480               1  \n",
       "                         Prisma_fit   2.89362               368              19  \n",
       "                         Skyra        2.89362               320               4  \n",
       "                                                            338               2  \n",
       "                                                            356               1  \n",
       "                                                            368             197  \n",
       "                                                            386               3  \n",
       "                                                            388               1  \n",
       "                                                            400               2  \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               322               9  \n",
       "                                                            338               1  \n",
       "                                                            370               1  \n",
       "                                                            372             189  \n",
       "                                                            388               4  \n",
       "                                                            550               1  \n",
       "                         Biograph_mMR 2.89362               356               1  \n",
       "                                                            368              48  \n",
       "                                                            640               1  \n",
       "                         Prisma_fit   2.89362               368              22  \n",
       "                         Skyra        2.89362               320               5  \n",
       "                                                            338               2  \n",
       "                                                            368             197  \n",
       "                                                            386               1  \n",
       "                                                            400               2  "
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "import pandas as pd\n",
    "import os\n",
    "\n",
    "fastmri_root = os.getenv('FASTMRI')\n",
    "dataset = 'multicoil_train'\n",
    "\n",
    "df = pd.read_csv(f'{fastmri_root}/datasets/{dataset}.csv')\n",
    "df.groupby(['type', 'systemVendor', 'systemModel', 'systemFieldStrength_T','enc_y']).count()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "  <thead>\n",
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       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th>filename</th>\n",
       "      <th>receiverChannels</th>\n",
       "      <th>institutionName</th>\n",
       "      <th>enc_x</th>\n",
       "      <th>enc_y</th>\n",
       "      <th>enc_z</th>\n",
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       "      <th>rec_y</th>\n",
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       "      <th>nPE</th>\n",
       "      <th>num_low_freq</th>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>type</th>\n",
       "      <th>systemVendor</th>\n",
       "      <th>systemModel</th>\n",
       "      <th>systemFieldStrength_T</th>\n",
       "      <th>acc</th>\n",
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       "      <th rowspan=\"4\" valign=\"top\">CORPDFS_FBK</th>\n",
       "      <th rowspan=\"4\" valign=\"top\">SIEMENS</th>\n",
       "      <th>Aera</th>\n",
       "      <th>1.49400</th>\n",
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       "      <td>54</td>\n",
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       "    <tr>\n",
       "      <th>Prisma_fit</th>\n",
       "      <th>2.89362</th>\n",
       "      <th>0</th>\n",
       "      <td>19</td>\n",
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       "    <tr>\n",
       "      <th>Skyra</th>\n",
       "      <th>2.89362</th>\n",
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       "      <td>210</td>\n",
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      ],
      "text/plain": [
       "                                                                 filename  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T acc             \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               0         206   \n",
       "                         Biograph_mMR 2.89362               0          54   \n",
       "                         Prisma_fit   2.89362               0          19   \n",
       "                         Skyra        2.89362               0         210   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               0         205   \n",
       "                         Biograph_mMR 2.89362               0          50   \n",
       "                         Prisma_fit   2.89362               0          22   \n",
       "                         Skyra        2.89362               0         207   \n",
       "\n",
       "                                                                 receiverChannels  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T acc                     \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               0                 206   \n",
       "                         Biograph_mMR 2.89362               0                  54   \n",
       "                         Prisma_fit   2.89362               0                  19   \n",
       "                         Skyra        2.89362               0                 210   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               0                 205   \n",
       "                         Biograph_mMR 2.89362               0                  50   \n",
       "                         Prisma_fit   2.89362               0                  22   \n",
       "                         Skyra        2.89362               0                 207   \n",
       "\n",
       "                                                                 institutionName  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T acc                    \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               0                206   \n",
       "                         Biograph_mMR 2.89362               0                 54   \n",
       "                         Prisma_fit   2.89362               0                 19   \n",
       "                         Skyra        2.89362               0                210   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               0                205   \n",
       "                         Biograph_mMR 2.89362               0                 50   \n",
       "                         Prisma_fit   2.89362               0                 22   \n",
       "                         Skyra        2.89362               0                207   \n",
       "\n",
       "                                                                 enc_x  enc_y  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T acc                 \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               0      206    206   \n",
       "                         Biograph_mMR 2.89362               0       54     54   \n",
       "                         Prisma_fit   2.89362               0       19     19   \n",
       "                         Skyra        2.89362               0      210    210   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               0      205    205   \n",
       "                         Biograph_mMR 2.89362               0       50     50   \n",
       "                         Prisma_fit   2.89362               0       22     22   \n",
       "                         Skyra        2.89362               0      207    207   \n",
       "\n",
       "                                                                 enc_z  rec_x  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T acc                 \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               0      206    206   \n",
       "                         Biograph_mMR 2.89362               0       54     54   \n",
       "                         Prisma_fit   2.89362               0       19     19   \n",
       "                         Skyra        2.89362               0      210    210   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               0      205    205   \n",
       "                         Biograph_mMR 2.89362               0       50     50   \n",
       "                         Prisma_fit   2.89362               0       22     22   \n",
       "                         Skyra        2.89362               0      207    207   \n",
       "\n",
       "                                                                 rec_y  rec_z  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T acc                 \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               0      206    206   \n",
       "                         Biograph_mMR 2.89362               0       54     54   \n",
       "                         Prisma_fit   2.89362               0       19     19   \n",
       "                         Skyra        2.89362               0      210    210   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               0      205    205   \n",
       "                         Biograph_mMR 2.89362               0       50     50   \n",
       "                         Prisma_fit   2.89362               0       22     22   \n",
       "                         Skyra        2.89362               0      207    207   \n",
       "\n",
       "                                                                 enc_x_mm  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T acc             \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               0         206   \n",
       "                         Biograph_mMR 2.89362               0          54   \n",
       "                         Prisma_fit   2.89362               0          19   \n",
       "                         Skyra        2.89362               0         210   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               0         205   \n",
       "                         Biograph_mMR 2.89362               0          50   \n",
       "                         Prisma_fit   2.89362               0          22   \n",
       "                         Skyra        2.89362               0         207   \n",
       "\n",
       "                                                                 enc_y_mm  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T acc             \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               0         206   \n",
       "                         Biograph_mMR 2.89362               0          54   \n",
       "                         Prisma_fit   2.89362               0          19   \n",
       "                         Skyra        2.89362               0         210   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               0         205   \n",
       "                         Biograph_mMR 2.89362               0          50   \n",
       "                         Prisma_fit   2.89362               0          22   \n",
       "                         Skyra        2.89362               0         207   \n",
       "\n",
       "                                                                 enc_z_mm  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T acc             \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               0         206   \n",
       "                         Biograph_mMR 2.89362               0          54   \n",
       "                         Prisma_fit   2.89362               0          19   \n",
       "                         Skyra        2.89362               0         210   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               0         205   \n",
       "                         Biograph_mMR 2.89362               0          50   \n",
       "                         Prisma_fit   2.89362               0          22   \n",
       "                         Skyra        2.89362               0         207   \n",
       "\n",
       "                                                                 rec_x_mm  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T acc             \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               0         206   \n",
       "                         Biograph_mMR 2.89362               0          54   \n",
       "                         Prisma_fit   2.89362               0          19   \n",
       "                         Skyra        2.89362               0         210   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               0         205   \n",
       "                         Biograph_mMR 2.89362               0          50   \n",
       "                         Prisma_fit   2.89362               0          22   \n",
       "                         Skyra        2.89362               0         207   \n",
       "\n",
       "                                                                 rec_y_mm  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T acc             \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               0         206   \n",
       "                         Biograph_mMR 2.89362               0          54   \n",
       "                         Prisma_fit   2.89362               0          19   \n",
       "                         Skyra        2.89362               0         210   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               0         205   \n",
       "                         Biograph_mMR 2.89362               0          50   \n",
       "                         Prisma_fit   2.89362               0          22   \n",
       "                         Skyra        2.89362               0         207   \n",
       "\n",
       "                                                                 rec_z_mm  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T acc             \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               0         206   \n",
       "                         Biograph_mMR 2.89362               0          54   \n",
       "                         Prisma_fit   2.89362               0          19   \n",
       "                         Skyra        2.89362               0         210   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               0         205   \n",
       "                         Biograph_mMR 2.89362               0          50   \n",
       "                         Prisma_fit   2.89362               0          22   \n",
       "                         Skyra        2.89362               0         207   \n",
       "\n",
       "                                                                 nPE  \\\n",
       "type        systemVendor systemModel  systemFieldStrength_T acc        \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               0    206   \n",
       "                         Biograph_mMR 2.89362               0     54   \n",
       "                         Prisma_fit   2.89362               0     19   \n",
       "                         Skyra        2.89362               0    210   \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               0    205   \n",
       "                         Biograph_mMR 2.89362               0     50   \n",
       "                         Prisma_fit   2.89362               0     22   \n",
       "                         Skyra        2.89362               0    207   \n",
       "\n",
       "                                                                 num_low_freq  \n",
       "type        systemVendor systemModel  systemFieldStrength_T acc                \n",
       "CORPDFS_FBK SIEMENS      Aera         1.49400               0             206  \n",
       "                         Biograph_mMR 2.89362               0              54  \n",
       "                         Prisma_fit   2.89362               0              19  \n",
       "                         Skyra        2.89362               0             210  \n",
       "CORPD_FBK   SIEMENS      Aera         1.49400               0             205  \n",
       "                         Biograph_mMR 2.89362               0              50  \n",
       "                         Prisma_fit   2.89362               0              22  \n",
       "                         Skyra        2.89362               0             207  "
      ]
     },
     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df.groupby(['type', 'systemVendor', 'systemModel', 'systemFieldStrength_T', 'acc']).count()"
   ]
  }
 ],
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